{"instruction": "You are an expert in event argument extraction. Please extract event arguments and their roles from the input that conform to the schema definition, which already includes event trigger words. If an argument does not exist, return NAN or an empty dictionary. Please respond in the format of a JSON string.", "schema": [{"event_type": "ransom", "arguments": ["damage amount", "price", "time", "place", "attack pattern", "payment method"]}], "input": "The assault on Hollywood Presbyterian occurred Feb 5 , when hackers using malware infected the institution 's computers , preventing hospital staff from being able to communicate from those devices , said Chief Executive Allen Stefanek ."}
{"ransom": [{"damage amount": "NAN", "price": "NAN", "time": "Feb 5", "place": "NAN", "attack pattern": ["using malware infected the institution 's computers", "preventing hospital staff from being able to communicate from those devices"], "payment method": "NAN"}]}